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Original Question
1)tan 5 degrees + tan 25 degrees / 1 tan 5 degrees tan 25 degrees = sqrt 3 / 3 Am I correct? 2) Complete the identity tan^2Q -...Asked by Hannah
1)tan 5 degrees + tan 25 degrees / 1 tan 5 degrees tan 25 degrees =
sqrt 3 / 3 Am I correct?
2) Complete the identity
tan^2Q - 3sinQtanQsecQ =
-2tan^2Q Correct?
sqrt 3 / 3 Am I correct?
2) Complete the identity
tan^2Q - 3sinQtanQsecQ =
-2tan^2Q Correct?
Answers
Answered by
Reiny
You are correct if your expression is
(tan5 + tan25)/(1 - tan5tan25), which is not what you typed.
(tan5 + tan25)/(1 - tan5tan25), which is not what you typed.
Answered by
Reiny
yes, to your second part
Answered by
victor_hery
(tan5 + tan25)/(1 - tan5tan25)= tan (5+25) = tan 30 degrees = (sqrt 3)/3
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